refactor: move logger to monorepo

packages/logger/src/transport.ts

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * An abstract wrapper for a transport system like for example SMTP
+ */
+export abstract class Transport {
+  /**
+   * Send message with subject
+   *
+   * A message can be a mail or something completely different depending on what transport is implemented.
+   *
+   * @param subject Subject of the message
+   * @param message Message to send
+   */
+  abstract send(subject: string, message: string): Promise<string>;
+}
+
+/**
+ * A transport wrapper of transport which can be verified
+ */
+export abstract class VerifiableTransport extends Transport {
+  /**
+   * Checks if the transport was verified at least once
+   */
+  abstract isVerified(): boolean;
+
+  /**
+   * Verifies transport
+   *
+   * Check connection, authentication, ...
+   */
+  abstract verify(): Promise<boolean>;
+}